Once the proxy-backed acquisition pipeline is delivering clean, structured Chewy data on a reliable schedule, analytics teams can move from ad hoc price checks to strategic programmes that generate sustained competitive advantage. A category price index tracks the median, minimum and percentile distribution of prices across every Chewy sub-category over time, weighted by estimated sales velocity where review counts and best-seller badges serve as proxies, giving brand managers and marketplace sellers a living benchmark against which to evaluate their own positioning and detect market-wide inflation or promotional compression events. Competitor assortment gap analysis cross-references the Chewy catalogue against your own product line or against other retailers, identifying SKUs, pack sizes, formulations or brand segments that Chewy carries but you do not, or that are growing rapidly on Chewy without a corresponding presence in your assortment, surfacing white-space opportunities for private-label development or distribution expansion. Promo stack testing uses the proxy's ZIP-level rotation and session persistence to systematically explore how Chewy layers promotions: first-order coupons, auto-ship discounts, volume thresholds, seasonal banners and loyalty rewards may combine differently depending on location, browsing history and cart composition, so structured testing campaigns capture the effective floor price for key SKUs under various promotional combinations, revealing the true competitive price a consumer sees rather than the headline list price. Because every dataset in these programmes is versioned and linked back to specific proxy campaigns, analysts can reproduce any finding, track how metrics evolve across crawl cycles, and confidently share intelligence with leadership and legal teams who need to know that competitive data was collected lawfully and stored with full provenance.